Machining jig of plastic mold

Abstract

The utility model relates to the technical field of plastic mould processing, and discloses a plastic mould processing jig which comprises a base and a spiral fluted disc, the spiral fluted disc is rotatably connected in the base through a main shaft, a worm gear is arranged at the bottom end of the main shaft, and the worm gear is driven by a driving assembly to rotate in the base. A plurality of bull eye wheels are installed at the bottom end of the spiral fluted disc, supporting arms are slidably connected to the four side edges of the base through telescopic openings, and cushion blocks are fixedly arranged at one ends of the supporting arms; the device has the beneficial effects that the worm gear is driven by the driving assembly, the spiral fluted disc can be driven to rotate, the spiral fluted disc can convert rotary motion into linear motion of the cushion block through the tooth groove, namely, the four clamping plates can be driven to move synchronously, the rubber pad can provide buffering between the clamping plates and a plastic mold, and the service life of the plastic mold is prolonged while synchronism is guaranteed. And the cost investment can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic mold processing, in particular to a processing jig for plastic molds. Background Art

[0002] Plastic mold is the abbreviation of a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordinated changes of the mold convex and concave molds and the auxiliary molding system can process a series of plastic parts of different shapes and sizes. Plastic molds are the mother of industry, and the release of new products will involve plastics.

[0003] Its application number is "CN201922178978.8" and discloses a "processing jig for high-precision plastic molds", which "comprises a workbench, a placement groove is provided on the top of the workbench, and movable grooves 1 are provided on the inner side walls on both sides of the placement groove, and movable grooves 2 are provided on the inner side walls on the front and rear sides of the placement groove, and slide grooves are provided on the inner side walls at the top and bottom of the movable grooves 1 and 2, and movable seats are provided in the movable grooves 1 and 2, and sliders are fixedly installed on the top and bottom of the movable seats, and the sliders are in the slide grooves, and a transverse electric push rod is fixedly installed on one side of the movable seat in the movable groove 1, and a longitudinal electric push rod is fixedly installed on one side of the movable seat in the movable groove 2, and fixing clamps are fixedly installed on the output shafts of the transverse electric push rod and the longitudinal electric push rod, a bottom plate is placed in the bottom of the placement groove, a lifting electric push rod is fixedly installed on the bottom of the workbench, and a through hole is provided on the inner side wall at the bottom of the placement groove". In the utility model, the processing jig for high-precision plastic molds can not only effectively clamp and fix the plastic molds, but also move the position of the plastic molds at any time according to needs. It is convenient and fast, can effectively improve the efficiency and convenience of plastic mold processing, and has strong practicality.

[0004] However, the above method still has the following defects: the plastic mold can be clamped by the transverse electric push rod and the longitudinal electric push rod, but two transverse electric push rods and two longitudinal electric push rods need to be set, which increases the cost investment and makes it difficult to ensure the synchronization of the transverse electric push rod and the longitudinal electric push rod in driving the fixing clamp. Utility Model Content

[0005] The utility model aims to provide a processing jig for a plastic mold to solve the problem in the background art that two transverse electric push rods and two longitudinal electric push rods are required, which increases the cost.

[0006] The utility model provides the following technical solution: a processing jig for a plastic mold, comprising a base and a spiral toothed disk, the interior of the base is rotatably connected to the spiral toothed disk via a main shaft, a worm gear is provided at the bottom end of the main shaft, the worm gear is driven by a driving assembly to rotate inside the base, a plurality of bull's eye wheels are installed at the bottom end of the spiral toothed disk, the four sides of the base are slidably connected to a support arm via a telescopic opening, a cushion block is fixedly provided at one end of the support arm, the bottom end of the cushion block is connected to the spiral toothed disk via a tooth groove, a rectangular shell is fixedly provided at the top of the support arm, a lead screw is rotatably connected to the interior of the rectangular shell, the lead screw is connected to a splint via a translation assembly, and a rubber pad is provided on one side of the splint.

[0007] As a preferred technical solution of the utility model, a support plate is fixedly provided inside the base, the main shaft is rotatably connected to the middle part of the support plate through a bearing, the bull's eye wheel is slidably connected to the top end of the support plate, and the middle part of the bottom end of the spiral gear disk is fixedly connected to the top end of the main shaft.

[0008] As a preferred technical solution of the utility model, the driving assembly includes a motor and a worm, the output shaft of the motor is connected to the worm, the worm is meshingly connected to the worm wheel, the worm is rotatably connected to a bracket, and the bottom end of the bracket and the bottom end of the motor are both fixedly connected to the inside of the base.

[0009] As a preferred technical solution of the utility model, a cover plate is provided on the surface of the base, a positioning plate is fixedly provided on the bottom end of the base, and a positioning hole is opened on the surface of the positioning plate.

[0010] As a preferred technical solution of the utility model, a baffle is provided on the surface of the rectangular shell, a slider is fixedly provided on one side of the bottom end of the rectangular shell, and sliding grooves are provided on the four sides of the top end of the base, and the slider is slidably connected to the sliding grooves.

[0011] As a preferred technical solution of the utility model, the translation assembly includes a translation plate and a threaded sleeve, a threaded sleeve is fixedly provided in the middle of the translation plate, the threaded sleeve is threadedly connected to the screw rod, and one side of the translation plate is fixedly connected to the clamping plate through two connecting plates.

[0012] As a preferred technical solution of the utility model, the translation plate is slidably connected to the inside of the rectangular shell, two plate grooves are provided on the surface of the rectangular shell, and the connecting plate is slidably connected to the plate grooves.

[0013] As a preferred technical solution of the utility model, a knob is provided on one side of the rectangular shell, and one end of the screw rod passes through the rectangular shell and is fixedly connected to the middle part of the knob.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The processing jig of the plastic mold drives the worm gear through the driving component, which can drive the spiral gear plate to rotate. The spiral gear plate can convert the rotational motion into the linear motion of the pad through the tooth groove, which can drive the four splints to move synchronously. The rubber pad can provide a buffer between the splint and the plastic mold, and can increase the fit and friction between the plastic mold and the splint, which can reduce the cost investment while ensuring synchronization.

[0016] 2. The processing jig of the plastic mold can limit the splint through the friction between the translation component, the screw rod and the rectangular shell, which can prevent the splint from moving horizontally and maintain its stability. By rotating the screw rod, the translation component drives the splint to move, and the position of any splint can be flexibly adjusted. It can be suitable for plastic molds with different aspect ratios and can ensure that the splint fits the plastic mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure inside the base of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the spiral gear disc of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure inside the rectangular shell of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the translation assembly of the utility model.

[0023] In the figure: 1. base; 2. cover plate; 3. positioning plate; 4. slide groove; 5. support plate; 6. main shaft; 7. worm gear; 8. drive assembly; 801. motor; 802. worm; 803. bracket; 9. spiral gear plate; 10. telescopic opening; 11. bull's eye wheel; 12. support arm; 13. pad; 14. tooth groove; 15. rectangular shell; 16. screw rod; 17. translation assembly; 1701. translation plate; 1702. threaded sleeve; 1703. connecting plate; 18. splint; 19. rubber pad; 20. knob; 21. slider; 22. plate groove; 23. cover. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] See also Figures 1 to 6In the embodiment of the utility model, the processing jig of the plastic mold includes a base 1 and a spiral toothed disk 9. The inside of the base 1 is rotatably connected with the spiral toothed disk 9 through a main shaft 6. The bottom end of the main shaft 6 is provided with a worm gear 7. The worm gear 7 is driven by a driving assembly 8 to rotate inside the base 1. A plurality of bull's eye wheels 11 are installed at the bottom end of the spiral toothed disk 9. The four sides of the base 1 are slidably connected with a support arm 12 through a telescopic opening 10. A cushion block 13 is fixedly provided at one end of the support arm 12. The bottom end of the cushion block 13 is connected to the spiral toothed disk 9 through a tooth groove 14. The support arm 12 is A rectangular shell 15 is fixedly provided on the top, and a screw rod 16 is rotatably connected inside the rectangular shell 15. The screw rod 16 is connected to a clamping plate 18 through a translation assembly 17. The worm wheel 7 is driven by the driving assembly 8 to drive the spiral toothed disc 9 to rotate. The spiral toothed disc 9 can convert the rotational motion into the linear motion of the cushion block 13 through the tooth groove 14, which can drive the four clamping plates 18 to move synchronously. A rubber pad 19 is provided on one side of the clamping plate 18. The rubber pad 19 can provide a buffer between the clamping plate 18 and the plastic mold, and can increase the fit and friction between the plastic mold and the clamping plate 18.

[0026] In this embodiment, preferably, a support plate 5 is fixedly provided inside the base 1, the main shaft 6 is rotatably connected to the middle part of the support plate 5 through a bearing, the bull's eye wheel 11 is slidably connected to the top of the support plate 5, and the middle part of the bottom end of the spiral toothed disk 9 is fixedly connected to the top of the main shaft 6. The main shaft 6 and the support plate 5 can increase the fulcrum of the spiral toothed disk 9 through the bull's eye wheel 11, thereby improving the stability and anti-shake ability of the spiral toothed disk 9;

[0027] In this embodiment, preferably, the driving assembly 8 includes a motor 801 and a worm 802, the output shaft of the motor 801 is connected to the worm 802, the worm 802 is meshed with the worm wheel 7, the worm 802 is rotatably connected to the bracket 803, the bottom end of the bracket 803 and the bottom end of the motor 801 are both fixedly connected to the inside of the base 1, the worm 802 is driven by the motor 801, and the worm 802 can drive the main shaft 6 to rotate through the worm wheel 7. After the driving is completed, the worm 802 can achieve self-locking of the main shaft 6 through the angular friction between the worm wheel 7;

[0028] In this embodiment, preferably, a cover plate 2 is provided on the surface of the base 1, and the interior of the base 1 can be repaired and maintained by opening the cover plate 2. A positioning plate 3 is fixedly provided at the bottom end of the base 1, and a positioning hole is opened on the surface of the positioning plate 3. The base 1 can be fixedly installed through the positioning hole of the positioning plate 3;

[0029] In this embodiment, preferably, a stopper 23 is provided on the surface of the rectangular shell 15, a slider 21 is fixedly provided on one side of the bottom end of the rectangular shell 15, and a slide groove 4 is provided on the four sides of the top end of the base 1. The slider 21 is slidably connected with the slide groove 4. The rectangular shell 15 can be supported and guided by the slide groove 4 and the slider 21, thereby improving the stability of the rectangular shell 15;

[0030] In this embodiment, preferably, the translation assembly 17 includes a translation plate 1701 and a threaded sleeve 1702. The threaded sleeve 1702 is fixedly provided at the middle of the translation plate 1701. The threaded sleeve 1702 is threadedly connected to the screw rod 16. One side of the translation plate 1701 is fixedly connected to the clamping plate 18 through two connecting plates 1703. The screw rod 16 can convert the rotational motion into the linear motion of the translation plate 1701 through the threaded sleeve 1702. The translation plate 1701 can drive the clamping plate 18 to move horizontally through the connecting plate 1703.

[0031] In this embodiment, preferably, the translation plate 1701 is slidably connected to the inside of the rectangular shell 15, and two plate grooves 22 are provided on the surface of the rectangular shell 15. The connecting plate 1703 is slidably connected to the plate grooves 22. The connecting plate 1703 can be guided by the plate grooves 22 to ensure the telescopic movement of the connecting plate 1703.

[0032] In this embodiment, preferably, a knob 20 is provided on one side of the rectangular shell 15 , one end of the screw rod 16 passes through the rectangular shell 15 and is fixedly connected to the middle of the knob 20 , and the screw rod 16 can be rotated by the knob 20 .

[0033] When in use, the staff first rotates the screw 16 through any knob 20, and the screw 16 converts the rotational motion into the linear motion of the translation plate 1701 through the threaded sleeve 1702 of the translation assembly 17. The translation plate 1701 can drive the clamping plate 18 to move horizontally through the connecting plate 1703, so that the position of the clamping plate 18 can be adjusted, which can be suitable for plastic molds with different aspect ratios;

[0034] Then, the plastic mold is placed in the middle of the top of the base 1, and the motor 801 of the driving assembly 8 drives the worm 802. The worm 802 can drive the main shaft 6 to rotate through the worm gear 7, and the main shaft 6 drives the spiral toothed disk 9 to rotate. The spiral toothed disk 9 converts the rotational motion into the linear motion of the pad 13 through the tooth groove 14, which can drive the four clamping plates 18 to move synchronously. The rubber pad 19 can provide a buffer between the clamping plate 18 and the plastic mold, and can increase the fit and friction between the plastic mold and the clamping plate 18, so as to limit the plastic mold.

[0035] When the spiral toothed disc 9 rotates, the support plate 5 can increase the fulcrum of the spiral toothed disc 9 through the bull's eye wheel 11, thereby improving the stability and anti-shake ability of the spiral toothed disc 9. When clamping the plastic mold, the worm 802 can achieve self-locking of the main shaft 6 through the angular friction between the worm wheel 7, and the stability of the clamping force can be maintained, so that the processing activities of the plastic mold can be carried out;

[0036] After the plastic mold is processed, the staff drives the worm 802 to rotate in the opposite direction through the motor 801 of the driving assembly 8, so that the four pads 13 move in the opposite direction, and the clamping plate 18 stops limiting the plastic mold, and the plastic mold can be removed.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic mold processing jig, comprising a base (1) and a spiral toothed disc (9), characterized in that: The interior of the base (1) is rotatably connected to a spiral toothed disk (9) via a main shaft (6); a worm wheel (7) is provided at the bottom end of the main shaft (6); the worm wheel (7) is driven by a driving assembly (8) to rotate inside the base (1); a plurality of bull's eye wheels (11) are installed at the bottom end of the spiral toothed disk (9); four sides of the base (1) are slidably connected to support arms (12) via telescopic openings (10); a cushion block (13) is fixedly provided at one end of the support arm (12); the bottom end of the cushion block (13) is connected to the spiral toothed disk (9) via a tooth groove (14); a rectangular shell (15) is fixedly provided at the top of the support arm (12); a lead screw (16) is rotatably connected inside the rectangular shell (15); the lead screw (16) is connected to a clamping plate (18) via a translation assembly (17); a rubber pad (19) is provided on one side of the clamping plate (18).

2. The plastic mold processing jig according to claim 1, characterized in that: A support plate (5) is fixedly provided inside the base (1); the main shaft (6) is rotatably connected to the middle part of the support plate (5) via a bearing; the bull's eye wheel (11) is slidably connected to the top end of the support plate (5); and the middle part of the bottom end of the spiral toothed disc (9) is fixedly connected to the top end of the main shaft (6).

3. The plastic mold processing jig according to claim 1, characterized in that: The driving assembly (8) comprises a motor (801) and a worm (802); the output shaft of the motor (801) is connected to the worm (802); the worm (802) is meshingly connected to the worm wheel (7); the worm (802) is rotatably connected to a bracket (803); the bottom end of the bracket (803) and the bottom end of the motor (801) are both fixedly connected to the inside of the base (1).

4. The plastic mold processing jig according to claim 1, characterized in that: A cover plate (2) is provided on the surface of the base (1), a positioning plate (3) is fixedly provided at the bottom end of the base (1), and a positioning hole is provided on the surface of the positioning plate (3).

5. The plastic mold processing jig according to claim 1, characterized in that: A blocking cover (23) is provided on the surface of the rectangular shell (15), a sliding block (21) is fixedly provided on one side of the bottom end of the rectangular shell (15), and sliding grooves (4) are provided on four sides of the top end of the base (1), and the sliding block (21) is slidably connected to the sliding grooves (4).

6. The plastic mold processing jig according to claim 1, characterized in that: The translation assembly (17) comprises a translation plate (1701) and a threaded sleeve (1702); a threaded sleeve (1702) is fixedly provided in the middle of the translation plate (1701); the threaded sleeve (1702) is threadedly connected to the screw rod (16); and one side of the translation plate (1701) is fixedly connected to the clamping plate (18) via two connecting plates (1703).

7. The plastic mold processing jig according to claim 6, characterized in that: The translation plate (1701) is slidably connected to the inside of the rectangular shell (15); two plate grooves (22) are provided on the surface of the rectangular shell (15); and the connection plate (1703) is slidably connected to the plate grooves (22).

8. The plastic mold processing jig according to claim 1, characterized in that: A knob (20) is provided on one side of the rectangular shell (15), and one end of the screw rod (16) passes through the rectangular shell (15) and is fixedly connected to the middle part of the knob (20).

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